The molecules of title compound, -(4-chloroanilino)-5-(4-pyridyl)-1,3,
4-oxadiazole, C13H9ClN4O, are nearly planar with a maximum deviation o
f 0.094 (2) Angstrom from the plane, Intermolecular N(1)-H ... N(4') h
ydrogen bonds link the molecules into chains [N(1)... N(4') = 2.902(3)
Angstrom, N(1)-H ... N(4') = 178 (2)degrees].